Calculators
Taxes calculators
Simple, transparent estimates — computed in your browser, nothing sent to a server. Educational, not personalized advice.
Roth conversion tax cost calculator
A rough estimate of what converting a given amount would cost at a flat tax rate — pair this with our article on when a Roth conversion is worth it.
Open calculator →QSBS issue spotter
A rules-based screen that lists the qualified small business stock questions worth reviewing with your CPA. Its only output, on every path, is a list of review items - it never decides eligibility and never computes an exclusion.
Open calculator →RSU withholding shortfall calculator
Illustrative comparison of RSU vesting withheld at a flat supplemental-wage rate versus a higher marginal rate. A rough illustration only, not an estimate of your actual tax liability.
Open calculator →Capital gains tax estimator
Estimate federal long-term capital gains tax using the real 2026 income brackets — gains stack on top of your other taxable income.
Open calculator →Paycheck calculator
Estimate your take-home pay after federal income tax and FICA (Social Security + Medicare).
Open calculator →Federal income tax calculator
Estimate your federal income tax using the 2026 IRS tax brackets.
Open calculator →Tax refund calculator
Compare what you've had withheld against your estimated tax bill to see a rough refund or amount due.
Open calculator →Property tax calculator
Estimate your annual property tax bill from your home's value and your local effective tax rate.
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